Question

Assertion [A]: A geological feature of Africa is the Great Rift Valley.
Reason [R]: A Rift valley is a large crack in the Earth’s surface formed by tectonic activity.

• A. [A] and [R] are true and [R] is the correct justification of [A].
• B. [A] and [R] are true but [R] is the not the correct justification of [A].
• C. Both [A] and [R] are false.
• D. [A] is true but [R] is false.

Answer 1

The correct option is A [A] and [R] are true and [R] is the correct justification of [A].

A rift valley is a lowland region that forms where Earth’s tectonic plates move apart or rift. This rift valley was formed when the African continent separated from the Arabian Peninsula. The rift has been developing for some 30 million years as the African continent and the Arabian Peninsula move apart.